



'''simple docstring'''






import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


lowerCAmelCase:   List[Any]					=		logging.get_logger(__name__)


lowerCAmelCase:   Union[str, Any]					=		{'vocab_file': 'vocab.json', 'merges_file': 'merges.txt'}

lowerCAmelCase:   Dict					=		{
    'vocab_file': {
        'allenai/longformer-base-4096': 'https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json',
        'allenai/longformer-large-4096': (
            'https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json'
        ),
        'allenai/longformer-large-4096-finetuned-triviaqa': (
            'https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json'
        ),
        'allenai/longformer-base-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json'
        ),
        'allenai/longformer-large-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json'
        ),
    },
    'merges_file': {
        'allenai/longformer-base-4096': 'https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt',
        'allenai/longformer-large-4096': (
            'https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt'
        ),
        'allenai/longformer-large-4096-finetuned-triviaqa': (
            'https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt'
        ),
        'allenai/longformer-base-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt'
        ),
        'allenai/longformer-large-4096-extra.pos.embd.only': (
            'https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt'
        ),
    },
}

lowerCAmelCase:   Any					=		{
    'allenai/longformer-base-4096': 4_0_9_6,
    'allenai/longformer-large-4096': 4_0_9_6,
    'allenai/longformer-large-4096-finetuned-triviaqa': 4_0_9_6,
    'allenai/longformer-base-4096-extra.pos.embd.only': 4_0_9_6,
    'allenai/longformer-large-4096-extra.pos.embd.only': 4_0_9_6,
}
@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def  lowerCamelCase__			(		):
  a		:   Optional[Any]	  =	(
      list(range(ord('!'							)					,     ord('~'							) + 1							)							) + list(range(ord('¡'							)					,     ord('¬'							) + 1							)							) + list(range(ord('®'							)					,     ord('ÿ'							) + 1							)							)
  )
  a		:   Optional[Any]	  =	bs[:]
  a		:   int	  =	0
  for b in range(2**8							):
    if b not in bs:
      bs.append(_A							)
      cs.append(2**8 + n							)
      n += 1
  a		:   List[Any]	  =	[chr(_A							) for n in cs]
  return dict(zip(_A					,     _A							)							)
def  lowerCamelCase__			(		_A							):
  a		:   List[Any]	  =	set()
  a		:   Optional[int]	  =	word[0]
  for char in word[1:]:
    pairs.add((prev_char, char)							)
    a		:   Dict	  =	char
  return pairs

class 				a__(   lowerCamelCase__      ):
    lowercase__					=       VOCAB_FILES_NAMES
    lowercase__					=       PRETRAINED_VOCAB_FILES_MAP
    lowercase__					=       PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    lowercase__					=       ["""input_ids""", """attention_mask"""]







    def __init__( self					:    Optional[Any]		,     __snake_case					:    List[str]		,     __snake_case					:    Optional[Any]		,     __snake_case					:    Optional[int]="replace"		,     __snake_case					:    Dict="<s>"		,     __snake_case					:    Union[str, Any]="</s>"		,     __snake_case					:    Optional[int]="</s>"		,     __snake_case					:    List[str]="<s>"		,     __snake_case					:    Optional[int]="<unk>"		,     __snake_case					:    List[Any]="<pad>"		,     __snake_case					:    Optional[int]="<mask>"		,     __snake_case					:    int=False		,     **__snake_case					:    List[Any]		,     ):
      a		:   Union[str, Any]	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else bos_token
      a		:   str	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else eos_token
      a		:   Union[str, Any]	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else sep_token
      a		:   List[Any]	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else cls_token
      a		:   int	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else unk_token
      a		:   List[str]	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else pad_token

      # Mask token behave like a normal word, i.e. include the space before it
      a		:   List[Any]	  =	AddedToken(__snake_case		,     lstrip=__snake_case		,     rstrip=__snake_case      ) if isinstance(__snake_case		,     __snake_case      ) else mask_token

      super().__init__(
          errors=__snake_case		,     bos_token=__snake_case		,     eos_token=__snake_case		,     unk_token=__snake_case		,     sep_token=__snake_case		,     cls_token=__snake_case		,     pad_token=__snake_case		,     mask_token=__snake_case		,     add_prefix_space=__snake_case		,     **__snake_case		,     )

      with open(__snake_case		,     encoding='utf-8'      ) as vocab_handle:
        a		:   Union[str, Any]	  =	json.load(__snake_case      )
      a		:   int	  =	{v: k for k, v in self.encoder.items()}
      a		:   int	  =	errors  # how to handle errors in decoding
      a		:   Optional[int]	  =	bytes_to_unicode()
      a		:   str	  =	{v: k for k, v in self.byte_encoder.items()}
      with open(__snake_case		,     encoding='utf-8'      ) as merges_handle:
        a		:   Any	  =	merges_handle.read().split('\n'      )[1:-1]
      a		:   Optional[Any]	  =	[tuple(merge.split()      ) for merge in bpe_merges]
      a		:   List[Any]	  =	dict(zip(__snake_case		,     range(len(__snake_case      )      )      )      )
      a		:   Any	  =	{}
      a		:   Optional[int]	  =	add_prefix_space

      # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
      a		:   List[str]	  =	re.compile(r'\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+'      )







    @property
    def      lowercase_			( self					:    Any      ):
      return len(self.encoder      )







    def      lowercase_			( self					:    Any      ):
      return dict(self.encoder		,     **self.added_tokens_encoder      )







    def      lowercase_			( self					:    List[str]		,     __snake_case					:    int      ):
      if token in self.cache:
        return self.cache[token]
      a		:   Dict	  =	tuple(__snake_case      )
      a		:   Optional[int]	  =	get_pairs(__snake_case      )

      if not pairs:
        return token

      while True:
        a		:   List[Any]	  =	min(__snake_case		,     key=lambda __snake_case      : self.bpe_ranks.get(__snake_case		,     float('inf'      )      )      )
        if bigram not in self.bpe_ranks:
          break
        a  ,      a		:   Any	  =	bigram
        a		:   Any	  =	[]
        a		:   List[Any]	  =	0
        while i < len(__snake_case      ):
          try:
            a		:   int	  =	word.index(__snake_case		,     __snake_case      )
          except ValueError:
            new_word.extend(word[i:]      )
            break
          else:
            new_word.extend(word[i:j]      )
            a		:   Dict	  =	j

          if word[i] == first and i < len(__snake_case      ) - 1 and word[i + 1] == second:
            new_word.append(first + second      )
            i += 2
          else:
            new_word.append(word[i]      )
            i += 1
        a		:   str	  =	tuple(__snake_case      )
        a		:   Optional[int]	  =	new_word
        if len(__snake_case      ) == 1:
          break
        else:
          a		:   List[str]	  =	get_pairs(__snake_case      )
      a		:   Dict	  =	' '.join(__snake_case      )
      a		:   str	  =	word
      return word







    def      lowercase_			( self					:    Union[str, Any]		,     __snake_case					:    Dict      ):
      a		:   Union[str, Any]	  =	[]
      for token in re.findall(self.pat		,     __snake_case      ):
        a		:   Any	  =	''.join(
            self.byte_encoder[b] for b in token.encode('utf-8'      )      )  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
        bpe_tokens.extend(bpe_token for bpe_token in self.bpe(__snake_case      ).split(' '      )      )
      return bpe_tokens







    def      lowercase_			( self					:    List[Any]		,     __snake_case					:    Optional[Any]      ):
      return self.encoder.get(__snake_case		,     self.encoder.get(self.unk_token      )      )







    def      lowercase_			( self					:    Union[str, Any]		,     __snake_case					:    Tuple      ):
      return self.decoder.get(__snake_case      )







    def      lowercase_			( self					:    List[str]		,     __snake_case					:    Tuple      ):
      a		:   int	  =	''.join(__snake_case      )
      a		:   Tuple	  =	bytearray([self.byte_decoder[c] for c in text]      ).decode('utf-8'		,     errors=self.errors      )
      return text







    def      lowercase_			( self					:    Dict		,     __snake_case					:    str		,     __snake_case					:    Optional[str] = None      ):
      if not os.path.isdir(__snake_case      ):
        logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""      )
        return
      a		:   Tuple	  =	os.path.join(
          __snake_case		,     (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']      )
      a		:   Dict	  =	os.path.join(
          __snake_case		,     (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['merges_file']      )

      with open(__snake_case		,     'w'		,     encoding='utf-8'      ) as f:
        f.write(json.dumps(self.encoder		,     indent=2		,     sort_keys=__snake_case		,     ensure_ascii=__snake_case      ) + '\n'      )

      a		:   int	  =	0
      with open(__snake_case		,     'w'		,     encoding='utf-8'      ) as writer:
        writer.write('#version: 0.2\n'      )
        for bpe_tokens, token_index in sorted(self.bpe_ranks.items()		,     key=lambda __snake_case      : kv[1]      ):
          if index != token_index:
            logger.warning(
                F"""Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."""
                ' Please check that the tokenizer is not corrupted!'      )
            a		:   int	  =	token_index
          writer.write(' '.join(__snake_case      ) + '\n'      )
          index += 1

      return vocab_file, merge_file







    def      lowercase_			( self					:    Optional[Any]		,     __snake_case					:    List[int]		,     __snake_case					:    Optional[List[int]] = None      ):
      if token_ids_a is None:
        return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
      a		:   Any	  =	[self.cls_token_id]
      a		:   str	  =	[self.sep_token_id]
      return cls + token_ids_a + sep + sep + token_ids_a + sep







    def      lowercase_			( self					:    Optional[int]		,     __snake_case					:    List[int]		,     __snake_case					:    Optional[List[int]] = None		,     __snake_case					:    bool = False      ):
      if already_has_special_tokens:
        return super().get_special_tokens_mask(
            token_ids_a=__snake_case		,     token_ids_a=__snake_case		,     already_has_special_tokens=__snake_case      )

      if token_ids_a is None:
        return [1] + ([0] * len(__snake_case      )) + [1]
      return [1] + ([0] * len(__snake_case      )) + [1, 1] + ([0] * len(__snake_case      )) + [1]







    def      lowercase_			( self					:    Tuple		,     __snake_case					:    List[int]		,     __snake_case					:    Optional[List[int]] = None      ):
      a		:   Union[str, Any]	  =	[self.sep_token_id]
      a		:   Tuple	  =	[self.cls_token_id]

      if token_ids_a is None:
        return len(cls + token_ids_a + sep      ) * [0]
      return len(cls + token_ids_a + sep + sep + token_ids_a + sep      ) * [0]







    def      lowercase_			( self					:    Dict		,     __snake_case					:    Union[str, Any]		,     __snake_case					:    int=False		,     **__snake_case					:    Any      ):
      a		:   List[Any]	  =	kwargs.pop('add_prefix_space'		,     self.add_prefix_space      )
      if (is_split_into_words or add_prefix_space) and (len(__snake_case      ) > 0 and not text[0].isspace()):
        a		:   Optional[int]	  =	' ' + text
      return (text, kwargs)




'''simple docstring'''






from __future__ import annotations
def  lowerCamelCase__			(		_A					,     _A					,     _A							):
  a		:   List[str]	  =	list(range(len(_A							)							)							)
  a		:   Union[str, Any]	  =	[v / w for v, w in zip(_A					,     _A							)]
  index.sort(key=lambda _A							: ratio[i]					,     reverse=_A							)

  a		:   float	  =	0
  a		:   list[float]	  =	[0] * len(_A							)
  for i in index:
    if weight[i] <= capacity:
      a		:   int	  =	1
      max_value += value[i]
      capacity -= weight[i]
    else:
      a		:   Optional[int]	  =	capacity / weight[i]
      max_value += value[i] * capacity / weight[i]
      break

  return max_value, fractions


if __name__ == "__main__":
     import doctest

     doctest.testmod()